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Home > SF-2 Boundary lubrication bearing

Products Size

SF-20
SF-80
SF-20W
SF-20SP
SF-2 Boundary lubrication bearing

SF-2 material is filled with tetrafluoride modified polyoxymethylene plastic as the surface layer of three composite self-lubricating material, it is a benign boundary lubricating materials, it is particularly suitable for high-speed low-speed rotary motion, rocking movement And often open and close under the load and not easy to form hydrodynamic lubrication of bearings, thrust washers, slider, ball seat and other friction parts. SF-2 can make full use of trace grease, lubrication in the boundary conditions can be long-term lubrication without lubrication maintenance. In the case of complete oil-free lubrication, SF-2 friction performance and allows a lower PV value, it is usually rolled out in the plastic storage pit, assembly coated with lithium-based grease or grease and so on.

    Metallographic picture
    Note: The SF-2 series products can be selected according to different working conditions, such as: bronze substrate, stainless steel substrate, and "lead-free" and other formulations. SF-2Y is environmentally friendly lead-free products, the color is orange, orange, blue.
    Applications

    Trolley, crane, truck crane, forest machinery, packaging machinery, construction machinery, hydraulic motors, agricultural machinery, mining machinery, metallurgy Machinery, hydraulic machinery, steam locomotive, steel rolling industry.

    Chemical properties

    SF-2 surface polymer chemical resistance, so its corrosion resistance depends on the steel back and the appearance of electroplating. The back surface of copper or tin plated steel, can effectively prevent atmospheric corrosion; if the work in corrosive media, steel back can be galvanized and so on.

    Wear resistance
    The wear rate of SF-2 under grease lubrication condition is as follows: The wear rate of "SF" is very small. From the figure, when the grease is consumed, Increases as indicated by dashed line 1; if the oil is refueled before the rate of wear increases again, the wear rate remains stable; the useful life of the material can be extended considerably when the time between refueling intervals is appropriate. The time of the fueling interval depends on the cumulative wear amount. Grease lubrication: the ambient temperature is lower than 80 ℃, the recommended lithium soap grease; ambient temperature higher than 80 ℃, it is recommended to use silicone-based grease; not recommended with EP additives grease.

SF-2 Boundary lubrication bearing classification

SF-2
Boundary Lubrication Bearing

SF-2 Boundary lubrication bearing steel is for substrate…

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SF-2Y
Boundary Lubrication Lead-free Bearing

SF-2S Boundary lubrication lead-free Bearing, SF-2 is an…

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SF-2S
Non-oil Lubricated Bearings

SF-2S Non-oil lubricated bearings, SF-2 is an improved…

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SF-2L
Lead Free Boundary Lubrication Bearing

SF-2L Lead free boundary lubrication bearing is improved …

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